#include <stdio.h>

int main() {
	int N = 0;
	scanf("%d", &N);
	
	const int MAX_N = 100;
	int screen[MAX_N][MAX_N];
	
	for (int i = 0; i < N; ++i) {
		for (int j = 0; j < N; ++j) {
			int tmp = 0;
			scanf("%d", &tmp);
			screen[i][j] = tmp;
		}
	}
	return 0;
}
